LC87F57C8A Datasheet, PDF (15/28 Pages) Sanyo Semicon Device – 8 BIT SINGLE CHIP MICROCONTROLLER

Parameter
Oscillation
frequency
Range
(Note1)
Symbol
FmCF(1)
Pins
CF1, CF2
FmCF(2) CF1, CF2
FmRC
FmMRC
FsX’tal XT1, XT2
LC87F57C8A
Conditions
Limits
VDD[V] min. typ. max unit
10MHz ceramic
4.5- 5.5
10
MHz
resonator oscillation
Refer to figure 1
5MHz ceramic resonator 2.5 - 5.5
5
oscillation
Refer to figure 1
RC oscillation
2.5 - 5.5 0.3 1.0 2.0
Frequency variable RC 2.5 - 5.5
50
oscillation source
oscillation
32.768kHz crystal
2.5 - 5.5
32.7
kHz
resonator oscillation
68
Refer to figure 2
(Note 1) The oscillation parameters are shown on Tables 1 and 2.
(Note 2) VDD∞4.5V is required for on-board flash ROM rewriting.
Ver.1.00
15/27